56 lines
1.4 KiB
Go
56 lines
1.4 KiB
Go
// Copyright 2019 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//go:build !linux && !windows
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package linux
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import (
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"net"
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"runtime"
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"golang.org/x/sys/unix"
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)
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// OSVersion returns version info of operation system.
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// for non-linux system will only return os and arch info.
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func OSVersion() (osVersion string, err error) {
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osVersion = runtime.GOOS + "." + runtime.GOARCH
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return
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}
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// SetAffinity sets cpu affinity.
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func SetAffinity(_ []int) error {
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return nil
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}
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// GetSockUID gets the uid of the other end of the UNIX domain socket
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func GetSockUID(uc net.UnixConn) (uid uint32, err error) {
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raw, err := uc.SyscallConn()
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if err != nil {
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return 0, err
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}
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var cred *unix.Xucred
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err = raw.Control(func(fd uintptr) {
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cred, err = unix.GetsockoptXucred(int(fd),
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unix.SOL_LOCAL,
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unix.LOCAL_PEERCRED)
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})
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if err != nil {
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return 0, err
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}
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return cred.Uid, nil
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}
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